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The documents are Crown Copyright 1944-1980 and are reproduced by permission of the Controller of HMSO.

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1944 . 1945 . 1946 . 1947 . 1948 . 1949
1950 . 1951 . 1952 . 1954 . 1955 . 1956 . 1957 . 1958
1963
1970 . 1974 . 1975
1980
2000

1944

• NPL Executive Committee Minutes (4 pp.) 18 Jan 1944
• NPL Executive Committee Minutes (5 pp.) 21 March 1944
• Report on a Proposed Central Mathematical Station (11 pp.) 3 April 1944*
• NPL Executive Committee Minutes (4 pp.) 16 May 1944
• NPL Executive Committee Minutes (4 pp.) 20 June 1944
• NPL Executive Committee Minutes (5 pp.) 18 July 1944
• Appointment of Superintendent of the Mathematics Division (1 p.) 28 Sept 1944*
• Research Programme for Maths Division for the Year 1945-1946 (3 pp.) Oct 1944*
• NPL Executive Committee Minutes (6 pp.) 21 Nov 1944
• NPL Executive Committee Minutes (6 pp.) 19 Dec 1944*

1945

• Notes by Turing on Memory (8 pp., incomplete) undated*
• Memo from Womersley, Superintendent of Maths Division, NPL: Newman's Proposals for an Electronic Computing Machine (1 p.) 18 March 1945 (1946?)*
• NPL Executive Committee Minutes (8 pp.) 20 March 1945
• NPL Executive Committee Minutes (7 pp.) 17 April 1945
• NPL Executive Committee Minutes (7 pp.) 15 May 1945
• U.S. Developments in Calculating Machines, by D.R. Hartree (17 pp.) May-July 1945*
• NPL Executive Committee Minutes (8 pp.) 23 Oct 1945
• Proposed Electronic Calculator, by Alan Turing (48 pp.) undated*
• Memo from Womersley: "ACE" Machine Project (2 pp.) undated*
• Control Mechanisms, by Sir Charles Darwin (2 pp.) 6 Dec 1945

1946

• ACE Machine Project, by Womersley (4 pp.) 13 Feb 1946*
• Letter from Sir Charles Darwin to Angwin + reply (2 pp.) Feb 1946*
• Letter from Radley to Womersley (2 pp.) 25 Feb 1946*
• Status of the Delay Line Computing Machine at the P.O. Research Station (1 p.) 7 March 1946*
• Letter from Paris to Hiscocks (2 pp.) 18 March 1946
• NPL Executive Committee Minutes (8 pp.) 19 March 1946*
• Letter from Hiscocks to Paris (2 pp.) 20 March 1946
• Memo from Womersley to Hiscocks (1 p.) 20 March 1946
• The Wilkes-Womersley Correspondence (14 pp.) 2 April 1946 - 14 April 1947
• ACE Machine - Conversation with Dr Radley, Controller of Research, Post Office (1 p.) 6 April 1946*
• Automatic Computing Engine (ACE), by Sir Charles Darwin (3 pp.) 17 April 1946*
• Memo on proposal to instal an automatic computing engine (ACE) (3 pp.) 17 April 1946
• Handwritten note concerning expenditure on ACE (1 p.) 24 April 1946
• Letter from Womersley to Sutton + Reply (3 pp.) May 1946
• Extract from the Minutes of the DSIR Advisory Council (4 pp.) 8 May 1946
• ACE Project, by Hiscocks (1 p.) 10 May 1946
• ACE Machine - Research Work at Post Office Research Station (1 p.) 21 May 1946*
• NPL Executive Committee Minutes (9 pp.) 21 May 1946
• Draft Report of the NPL Executive Committee for 1945 (14 pp., incomplete) June 1946
• Report concerning ACE from Appleton to the Lord President of the DSIR (2 pp.) 21 June 1946
• Letter from Womersley to Mason (1 p.) 29 June 1946
• Memo from the Lord President of DSIR to Appleton (1 p.) 2 July 1946
• Letter from Evans to the Secretary to the Treasury (2 pp.) 15 July 1946
• Letter from Stephens to Womersley (2 pp.) 18 July 1946
• Letter from Womersley to Nelson (2 pp.) 23 July 1946
• Letter from Proctor to the Secretary to DSIR (1 p.) 1 August 1946
• Letter from Sir Charles Darwin to Appleton (2 pp.) 13 August 1946*
• Handwritten note concerning Huskey (1 p.) 14 Aug 1946
• Memo from Wooldridge to Sir Charles Darwin (1 p.) 17 August 1946
• Memo from Womersley to Director (1 p.) 30 Sept 1946
• Letter from Hiscocks to Smith (2 pp.) 30 Oct 1946
• Letter from Radley to Sir Charles Darwin (1 p.) 1 Nov 1946*
• Letter from Robertson to Turing + Turing's Reply (2 pp.) Nov 1946
• Britain to Make a Radio Brain, Daily Telegraph (1 p.) 7 Nov 1946*
• Letter from Smith to Hiscocks (1 p.) 8 November 1946
• Letter from Clifford to Turing + Turing's Reply (2 pp.) Nov 1946
• Letter from Turing to Commander Miller (1 p.) 12 Nov 1946*
• Letter from Sir Charles Darwin to Smith (1 p.) 13 Nov 1946
• Proposal for Lectures by Dr Turing (1 p.) 16 Nov 1946*
• NPL Executive Committee Minutes (7 pp.) 19 Nov 1946*
• Memo from Maths Division to Burgess (1 p.) 21 Nov 1946
• Notes Concerning Lectures by Turing (5 pp.) 22 Nov 1946*
• ACE Project - Origin and Early History, by Womersley (1 p.) 26 Nov 1946*
• Letter from Sir Charles Darwin to Radley (2 pp.) 26 Nov 1946*
• Wilkes' Proposal for a Pilot Model ACE (4 pp.) Dec 1946
• Turing's Comments on Wilkes' Proposal for a Pilot Machine (1 p.) undated*
• Letter from Smith to Hiscocks (1 p.) 2 Dec 1946
• Memo from Hiscocks to Secretary, DSIR (1 p.) 13 Dec 1946*
• Extract from the Draft Report of the Executive Committee for the Year 1946 (5 pp.)*
• NPL Report for the Year 1946 (75 pp.)
• Letter from Turing to Ross Ashby (2 pp.) undated*

1947

• The State of Computing in Britain and the U.S. (14 pp. + 3 pp. correspondence and notes) 1947*
• NPL Executive Committee Minutes (2 pp., incomplete) 21 Jan 1947*
• Report on Visit to U.S.A. January 1-20 1947, by Turing (1 p.) 3 Feb 1947*
• Memo from Womersley to Director (1 p.) 10 Feb 1947
• Press cutting from NPL files: EDVAC, Philadelphia Evening Bulletin (3 pp.) 3 March 1947*
• Notes on a Visit of Dr Hartree to Discuss Progress on the ACE (1 p.) 6 March 1947*
• NPL Executive Committee Minutes (2 pp., incomplete) 18 March 1947*
• Extracts from Executive Committee Minutes, 18 March and 18 June 1947 (1 p.) undated
• Letter from Brody to Womersley (1 p.) March 1947
• Letter from Womersley to Brody (1 p.) 9 April 1947
• A Plan for the Design, Development and Production of the ACE (11 pp.) 12 April 1947
• Draft Annual Report for 1946 + NPL Executive Committee Minutes (21 pp., incomplete) 15 April 1947*
• ACE Pilot Test Assembly and Later Development, by Smith-Rose and Womersley (1 p.) 30 April 1947*
• Letter from Hiscocks to Condon (1 p.) 1 May 1947
• Letter from Hiscocks to King (2 pp.) 1 May 1947
• Letter from King to Hiscocks (1 p.) 12 May 1947
• NPL Executive Committee Minutes (5 pp.) 18 June 1947
• Bibliography on Automatic Digital Computing Machinery (10 pp.) June 1947
• Letter from Sir Charles Darwin to Appleton concerning Turing (2 pp.) 23 July 1947*
• Letter from Appleton to Sir Charles Darwin concerning Turing (1 p.) 25 July 1947*
• Draft of letter from Hogg to Treasury concerning Turing (2 pp.) undated*
• Letter from Sir Charles Darwin to Hogg (1 p.) 29 July 1947
• Memo to Superintendent of Maths Division (1 p.) 29 July 1947
• Memo from Smith-Rose to Director (1 p.) 5 Aug 1947*
• Memoranda from Hiscocks concerning transfer of staff to Radio Division (5 pp.) 6 Aug 1947
• Letter from Woodward to Hiscocks (1 p.) 7 Aug 1947*
• Extract from Letter from Hiscocks to Director (1 p.) 12 Aug 1947*
• ACE Project: Transfer of Staff from Radio Division, by Womersley (1 p.) 13 Aug 1947*
• Letter from Hiscocks to Woodward (1 p.) 14 Aug 1947
• Authorization to Maths Division for Investigation and Report on ACE Project (1 p.) 15 Aug 1947
• Authorization to Radio Division for Work in Connection with ACE (1 p.) 15 Aug 1947
• Memo from Hiscocks to Womersley (1 p.) 15 Aug 1947
• Post Office Account for Work on ACE (1 p.) 18 Aug 1947*
• Initiation of ACE Project in Radio Division (1 p.) 21 Aug 1947*
• ACE Project, by Womersley (1 p.) 21 August 1947*
• Expenditure on ACE (2 pp.) 21 Aug 1947
• Memo from Turing: Programming for ACE + Memo from Fieller (2 pp.) 30 Aug 1947*
• Letter from Taylor to Director's Office (1 p.) 16 September 1947
• Letter from Lavender to Smith-Rose (1 p.) 17 September 1947
• NPL Executive Committee Minutes (7 pp.) 23 Sept 1947
• ACE Test Assembly, by M. Woodger (24 pp. inc. diagrams) Sept/ Oct 1947
• Hollerith Equipment for ACE Work - Immediate Requirements, by Fieller (1 p.) 16 Oct 1947*
• Letter from Accountant to Her Majesty's Stationery Office (1 p.) 20 Oct 1947
• Letter from Sir Charles Darwin to Turing (1 p.) 11 Nov 1947
• ACE Problems (1 p.) 21 Nov 1947
• NPL Report for the Year 1947 (29 pp.)
• Test Assembly for Automatic Computing Engine (1 p.) undated
• State of Development Reached on Version VI, by Woodger (1 p.) undated

1948

• Handwritten note re ACE budget (1 p.) 9 January 1948
• ACE Version VIII, by Woodger (3 pp.) 2 Feb 1948
• ACE Version 8A, by Davies and Woodger (10 pp. inc. diagrams) undated
• NPL Executive Committee Minutes (8 pp.) 17 Feb 1948
• Progress Report on the Automatic Computing Engine, by J.H. Wilkinson (143 pp.) April 1948*
• NPL Executive Committee Minutes (8 pp.) 20 April 1948*
• Memo from Womersley: ACE Pilot Models (1 p.) 26 April 1948*
• Bibliography on Electronic Computing Machines (3 pp.) June 1948
• Letter to Superintendent, Royal Aircraft Establishment, Farnborough (1 p.) 15 June 1948
• Notes on Maintenance of ACE (7 pp.) 18 June 1948
• Intelligent Machinery: A Report by A.M. Turing (22 pp.) July (?) 1948*
• NPL Executive Committee Minutes (6 pp.) 20 July 1948
• Letter from Lt. Col. Sir A. George Lee to Sir Charles Darwin (4 pp.) 30 July 1948
• Letter from Sir Charles Darwin to Lt. Col. Sir A. George Lee (1 p.) 3 Aug 1948
• NPL Executive Committee Minutes (7 pp.) 28 Sept 1948*

1949

• High Speed Calculating Machines: Meeting Held in Ministry of Supply (3 pp.) 5 Jan 1949*
• Letter to Turing from Reed (1 p.) 12 Jan 1949
• ACE Project: Draft of Paper for Advisory Council (3 pp.) 1 Feb 1949*
• Letter from Appleton to Sir Charles Darwin (1 p.) 10 Feb 1949
• Letter from Jolliffe to Hiscocks (1 p.) 10 Feb 1949
• Proposal to DSIR Advisory Council Concerning ACE (5 pp.) 16 Feb 1949*
• Extract from Minutes of DSIR Advisory Council (1 p.) 16 Feb 1949
• Draft Report by the Advisory Council of DSIR on the Construction of ACE (6 pp.) 23 Feb 1949
• Report by the Advisory Council of DSIR on the Construction of ACE (5 pp.) 7 March 1949*
• Extract from Minutes of Defence Research Policy Committee (1 p.) 8 March 1949*
• Letter from Appleton to the Lord President of DSIR (3 pp.) 17 March 1949
• Memo from Ramage to Appleton (1 p.) 28 March 1949
• Letter from Evans to France (3 pp.) 6 April 1949
• Letter from Treasury to Evans (2 pp.) 16 May 1949
• Letter from Evans to Sir Charles Darwin (1 p.) 28 May 1949
• Handwritten note concerning funding of ACE (1 p.) 31 May 1949
• Handwritten note concerning funding of ACE (1 p.) undated
• Second Progress Report on the ACE, by S. Gill (29 pp. inc. diagrams) June 1949
• Summary of Work in Progress in U.S. (2 pp.) 8 June 1949
• Present Position and Future Prospects of Work at NPL on High Speed Computation (1 p.) 30 Aug 1949*
• NPL Executive Committee Minutes (4 pp., incomplete) 15 Nov 1949*

1950

• Specifications of Pilot Model ACE (2 pp.) undated*
• Letter from Ministry of Supply concerning ACE patents (1 p.) 6 May 1950
• Letter from Jolliffe to Sir Charles Darwin (1 p.) 19 July 1950
• Letter from Bullard to Secretary, DSIR (1 p.) 4 Aug 1950*
• Handwritten note from Jolliffe to Evans (2 pp.) 16 Aug 1950*
• Draft of a Report from Jolliffe to Lord President of DSIR (1 p.) undated
• Memo from Evans to Jolliffe (1 p.) 18 Aug 1950
• Letter from Jolliffe to Hiscocks (1 p.) 23 Aug 1950
• Handwritten note to Jolliffe (1 p.) 24 Aug 1950
• Letter to Jolliffe from Hiscocks (2 pp.) 31 Aug 1950*
• Letter from Silversides to Colebrook (1 p.) 1 Sept 1950
• Letter from Evans to Brown (1 p.) 8 Sept 1950
• Draft Report to Lord President of DSIR concerning ACE, by Sir Ben Lockspeiser (2 pp.) Sept 1950
• Letter to Robertson from Brown (2 pp.) 11 Oct 1950
• Letter to Brown from Robertson (2 pp.) 25 Oct 1950
• Handwritten minute to Brown (3 pp.) 27 Oct 1950
• Minute from Jolliffe to Sir Charles Darwin (1 p.) 9 Nov 1950

1951

• Letter to Turing concerning ACE patents (1 p.) 1 Feb 1951
• Letter to Turing concerning ACE patents (2 pp.) 2 Feb 1951
• Letter from Turing to Woodger (1 p.) February 1951*
• ACE Bulletin No. 1 (4 pp.) 3 April 1951
• ACE Bulletin No. 2 (4pp.) 3 May 1951
• Letter by Turing concerning ACE patents (1 p.) 12 June 1951
• Postcard from Turing to Woodger (2 pp.) 15 June 1951
• NPL Executive Committee Minutes (4 pp. incomplete) 19 June 1951*
• NPL Executive Committee Memorandum on a Proposal to Construct the ACE (2 pp.) 12 Sept 1951*
• Postcard from Turing to Woodger (2 pp.) 4 July 1951
• Minute from Jolliffe to Sir Charles Darwin (2 pp.) 11 August 1951
• The Logical Design of the Pilot Model ACE, by J.H. Wilkinson (42 pp. inc. diagrams) Sept 1951*
• Programming and Coding for the Pilot Model ACE, by Wilkinson (46 pp.)20 Nov 1951*
• Letter from Hiscocks to Jolliffe (2 pp.) 10 Dec 1951*
• Minute from Jolliffe to Evans (1 p.) 14 Dec 1951*
• Letter from Evans to Jolliffe (1 p.) 15 Dec 1951*
• Letter from Jolliffe to Hiscocks (1 p.) 18 Dec 1951

1952

• Show Day: Notes for ACE Demonstrators (1 p.) 22 May 1952

1954

• Report on the Washington Computer Conference, 8-10 Dec 1953, by D.W. Davies (18 pp. inc. diagrams) 7 Jan 1954*
• Appendix to 'Programming and Coding for the Pilot Model ACE (1951)' (5 pp.) 1 March 1954
• The Work of Maths Division and Uses of the ACE (4 pp.) 1 May 1954
• Memo: Pilot Model Programs (2 pp.) 22 Nov 1954
• ACE Patents 1951-1954 (3 pp.) undated

1955

• Letter concerning ACE patents (1 p.) 1 July 1955
• Patent Specification: Inventors Turing, Davies, Woodger (19 pp. inc. diagrams) 1 July 1955*

1956

• Letter from Hiscocks to DSIR entitled 'Disposal of Pilot ACE' (1 p.) 30 Jan 1956*
• Memo from Smith to Cawley (1 p.) 20 February 1956
• Notes of Meeting of the NPL Executive Committee, by Cawley (2 pp.) 21 Feb 1956
• Letter from Fryer to Hiscocks (1 p.) 27 Feb 1956
• Convention on Digital Computer Techniques: British Computer Installations (7 pp.) 9-14 April 1956*
• Memo from Christelow to Fryer (1 p.) 11 July 1956
• Memo from Smith to Cawley (1 p.) 17 July 1956
• Memo from Brunt entitled 'Disposal of Pilot ACE' (1 p.) 20 July 1956*
• Memo from Hiscocks entitled 'Disposal of Pilot ACE' (1 p.) 26 July 1956*
• Letter from Illingworth to Fryer entitled 'ACE: Final Model' (2 pp., incomplete) 6 Nov 1956*
• Pilot Model ACE 1949-1956 (1 p.) undated

1957

• Some Features of the ACE Computer (40 pp. inc. diagrams) 8 May 1957

1958

• NPL-English Electric Joint Research Project ACE-Deuce (2 pp.) 26 Feb 1958

1963

• Letter concerning ACE patents (1 p.) 19 April 1963

1970

• Wilkinson Wins ACM Turing Award (1 p.) 1970*

1974

• Letter from Woodger to Doran (3 pp.) 27 Aug 1975

1975

• Dr E.T. Goodwin, NPL News (3 pp.) Jan 1975

1980

• Dr J.H. Wilkinson, NPL News (3 pp) April 1980*